Katherine C. Werner, PA-C
Medical Physician Assistant · Pembroke, MA
Katherine C. Werner, PA-C is a medical physician assistant with a practice address in Pembroke, Massachusetts, and NPI 1023460292, issued on Jul 12, 2016. Check the license (Massachusetts PA5758, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine C. Werner
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA5758 MA
Self-reported in NPPES; status is on the state search - Practice location
- 296 Old Oak St, Pembroke, MA 02359
- Phone
- (339) 244-3303
- Enumerated
- Jul 12, 2016
- Record last updated
- Nov 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20160930001234); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 886 in Massachusetts → Look up another NPI →
Also registered at 296 Old Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allison Cellini, FNP-CFamily Nurse Practitioner1275365389
- Rachel Decesar, PA-CMedical Physician Assistant1407489065
- Alyssa Donahue, FNP-CFamily Nurse Practitioner1275280984
- Linnea GeorgeFamily Nurse Practitioner1821624412
Verify Katherine C. Werner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA5758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average medical physician assistant in 2024
478 Medicare Part D claims for 344 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Prednisone81 claims
- Doxycycline Hyclate60 claims
- Azithromycin50 claims
- Amoxicillin-Clavulanate Potass49 claims
- Cephalexin42 claims
- Albuterol Sulfate Hfa30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Convenientmd - Ffs UC LLCPlymouth, MA
- South Shore Health Express IncPembroke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine C. Werner among 886 medical physician assistant records in Massachusetts
Katherine C. Werner, PA-C is one of 886 medical physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 60% of them.
- NPI issued2016 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2015 among the 559 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 medical physician assistant records list a practice address in Pembroke
They are 2 of the 278 NPPES records with a practice address in Pembroke, and 886 medical physician assistant records in Massachusetts.
All 886 in Massachusetts → Every provider in Pembroke → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Rachel Decesar, PA-CPembroke, MA 023591407489065
- Sawyer Damiano, PA-CPlymouth, MA 023601639878812
- Timothy Hurlburt, PA-CPlymouth, MA 023601336699875
- Teresa Kanev, PA-CPlymouth, MA 023601437466802
- Barbara Larson, PA-CPlymouth, MA 023601700847506
- Jaime Marani, PA-CPlymouth, MA 023601821226440
- Christina Messinger, PA-CPlymouth, MA 023601336717305
- Phuong Nguyen, PAPlymouth, MA 023601306125349
Common questions
What is Katherine C. Werner, PA-C's NPI number?
Katherine C. Werner, PA-C's National Provider Identifier (NPI) is 1023460292, issued on Jul 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katherine C. Werner, PA-C located?
The NPPES record lists a practice address at 296 Old Oak St, Pembroke, MA, 02359. Phone: (339) 244-3303. Providers update this record themselves, so call before visiting.
How can I verify Katherine C. Werner, PA-C's license?
NPPES lists Massachusetts license number PA5758, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine C. Werner, PA-C prescribe under Medicare Part D?
In 2024, Katherine C. Werner, PA-C had 478 Medicare Part D claims for 344 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.